Tukwila
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Tukwila Weather in September

With daytime temperatures of 22°C (72°F) and nighttime lows of 12°C (54°F), September in Tukwila brings pleasant temperatures during the day. The excellent weather makes it an appealing time to visit.

Rainfall in Tukwila in September

Historically, the month has about 10 days of rain, averaging 48 mm (1.9 in) in total. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Tukwila in September

September is a excellent month in Tukwila, with 22°C (72°F) during the day and 12°C (54°F) at night. September is part of summer. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Tukwila in September

The month enjoys around 220 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Tukwila in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Tukwila Temperature in September

Min Temperature
12°C (54°F)
Max Temperature
22°C (72°F)
Chance of Rain
33%
Precipitation
48 mm (1.9 in)
Rainy days
10 days
Humidity
73% *
Windspeed
4 m/s (8 knots) *
Sunshine
220 hours *
Percentage Sunshine
59% *
* Data from: Seattle, the United States of America (3 KM, 2 Miles).

Tukwila Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Tukwila - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Tukwila in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Tukwila in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    9/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Tukwila 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.